changeset 18759:57c94bdbd6b3

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[IA64] fix {un}lock_ipi_calllock().

Now _raw_spin_lock() checks whether interrupt is masked or not.
If masked, it panics.
lock_ipi_calllock() violates the assumption.
This patch make lock_ipi_calllock() use spin_lock_irqsave()
instead of spin_lock_irq().